Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9STN callsign genealogy
Currently held by PIEKARCZYK JR, STANLEY T
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K9STN's current licensee, walking backwards.
- PIEKARCZYK JR, STANLEY TWIgranted 2004-04-13cancelled 2005-09-10
Successor callsigns
Callsigns held now by people who previously held K9STN.
No current licensee on record previously held this callsign.